NFC Wifi Icon

thingiverse

Acquire a small NFC Tag, similar in size to this one Set the tag to connect to your home wifi network using trigger or a similar app Put the tag inside the NFC wifi icon and affix it to your wall (or any place you want). When you have guests and they ask to connect to your wifi network, just have their touch their Android smartphone (with NFC) to the tag and they are automatically connected to your wifi network :)